using System;

public class Program

{

    public static void Main()

    {

        int n;

        do{

            Console.Write("input number :");

            n = Convert.ToInt32(Console.ReadLine());

            if(n>=1 && n<=100)

                Console.WriteLine("{0}",n); 

        }while(n>=1 & n<=100);

            Console.Write("exit");

    }

}